- Buyers Guide
Military Microwaves Supplement
Recent Advances in Radar Technology
Using Calibration to Optimize Performance in Crucial Measurements
Miniature Step-Up Transformers
Coilcraft’s new 6 × 6 × 3.5 mm LPR6235 Series coupled inductors can be used as step-up or flyback transformers in DC-DC converters or as autotransformers. They are ideal for voltage step-up in energy harvesting applications. They feature an excellent coupling coefficient (k = 0.95) and are available with five turns ratios from 1:10 to 1:100 for a variety of voltage step-up and step-down applications. They offer 300 V winding-to-winding isolation.
RFMW announced immediate delivery of selected, one meter cable assemblies from Florida RF Labs Inc. The Lab-Flex® family of cable assemblies boasts six different cable types supporting applications to 65 GHz. They are extremely well-suited for high frequency test applications and high-density interconnects where insertion loss and stability over temperature are concerns. Florida RF Lab-Flex assemblies offer > 90 dB of shielding effectiveness and a wide range of connectors including, but not limited to, 7/16, TNC, SMA, 2.4mm, 2.92mm and 1.86mm interfaces in various configurations.
Florida RF Labs Inc.,
distributed by RFMW Ltd.,
PIN Diode Switch
Model SA-50-0JK is a 4.385 to 4.885 GHz, SP32T reflective PIN diode switch. This sub-assembly consists of two SP16T switches, one SPDT switch and a power/logic connector all mounted together on a single plate. It exhibits an insertion loss less than 3 dB, a VSWR less than 1.5:1 in 50 Ω and a minimum isolation of 60 dB. This SP32T switch is capable of handling 10 W CW, hot switching, 200 W peak, a 5 percent duty cycle and a 1 µSec pulse width.
Linear Technology introduced the LTC4120, a first for the company in the wireless battery charging space. The LTC4120 combines a wireless power receiver with a constant-current/constant-voltage battery charger, functioning as the receive circuit component in a complete wireless power transfer system comprised of transmit circuitry, transmit coil, receive coil and receive circuitry. The LTC4120 works reliably with Linear Technology’s simple discrete resonant transmitter reference design or with advanced off-the-shelf transmitters designed and manufactured by PowerbyProxi.
Linear Technology Corp.,
Ultrasound designers can now reduce form factor and improve image quality and reliability with the MAX2082 octal ultrasound transceiver. It integrates eight channels of 3-level 200 V pulsers and T/R switches, an octal ADC, octal LNA, octal VGA, CW mixers, anti-aliasing filters and coupling capacitors into a small package requiring less than 10 square inches for an entire 128-channel solution. This is 40 percent of the space required for conventional solutions and is especially beneficial for portable systems.
Maxim Integrated Products Inc.,
MITEQ’s LNB Series of low noise block converters supply RF down conversion from 18 to 40 GHz to IF frequencies of 2 to 16 GHz, well within the range of your existing 18 GHz equipment. The LNB series, with its 4 dB noise figure and internal LO, permits processing of very low level input signals. Currently MITEQ offers either an 18 to 26 or 26 to 40 GHz model. This unit is housed in a half rack case.
Passive Plus has its broadband capacitor – the 0402BB104 – intended primarily for coupling RF signals or bypassing them to ground over extraordinarily large RF bandwidths – that now has 25 V. The PPI 0402BB104 is a 100 nF capacitor and offers resonance-free, low loss operation from 16 KHz (-3 dB point) to > 35 GHz at 25 V with an insertion loss of <1.2 dB.
Passive Plus Inc.,
Renaissance has released a new S-Band 2.5 kW peak power drop-in circulator operating from 2.9 to 3.3 GHz. With insertion loss of less than 0.6 dB and return loss and isolation over 19 dB, the circulator is ideal to duplex an antenna with HPA and a receiver. This circulator has been customized to withstand 250 W of forward and 150 W of reverse power at the same instance without arcing or corona failures.
Renaissance Electronics & Communications LLC/HXI LLC,
The RFN-1006-49I features a solderless captive pin and the RFN-1006-4I features a crimp pin. Both connectors are compatible for high performance cables. Combination hex/knurl coupling nuts allow for tightening by hand or wrench. White Bronze (tri-metal) plating eliminates tarnishing while providing improved electrical performance and reduced PIM (Passive Intermodulation). Exceptional VSWR of less than 1.10 to 1 up to 3 GHz and less than 1.20 to 1 up to 8 GHz is achieved through an enhanced impedance matching design.
Mono-Static Doppler Sensor
Model SSM-94313-S1 is a 94 GHz mono-static Doppler sensor designed and manufactured for speed measurement. The module is offered with WR-10 waveguide interface for various antenna integrations. The sensor operates from +10 V DC/200 mA DC supplier and transmits 13 dBm power at 94 GHz. The conversion loss of the sensor is about 9 dB and IF bandwidth is up to 4 GHz. The Doppler sensors in other frequency bands from 26.5 to 110 GHz or with I/Q output are also available.
Sage Millimeter Inc.,
Spacek Labs model M80-5X2B is an E-Band mixer covering the two radio bands of 71 to 76 GHz and 81 to 86 GHz. The mixer includes an integrated LO doubler, so that the customer need only supply a 39 GHz source with +16 dBm of power. Spacek Labs can also supply a phase-locked source with the assembly. The conversion loss over the band is 6 dB typical and 10 dB maximum, with an IF frequency range of 2 to 8 GHz.
Spacek Labs Inc.,
SV Microwave has released a new SMP/SMPM style line of connectors, the QuarterBack® series. The line utilizes a quarter turn bayonet style coupling nut with a locking feature for standard SMP/SMPM interfaces. The QuarterBack connectors are ideal for high vibration and test applications that require a large number of mating cycles. Visit the company’s website or email firstname.lastname@example.org for more information.
The DPK1100S is a low loss, 16-way power divider with multi-decade frequency coverage from 10 to 1000 MHz with typically less than 2 dB of insertion loss. This high performance model is available in a connectorized package with either SMA female or type N connectors (DPK1100N). Other typical features of this mod el are isolation better than 20 dB across the band, typical phase unbalance of 6° and amplitude unbalance of 0.7 dB.
Synergy Microwave Corp.,
Solid State Power Amplifier
Model 30HM1G6AB-45 is a compact, wide-band, Class AB hybrid solid state power amplifier module that instantaneously covers 1 to 6 GHz. It operates from a single DC voltage and provides 48 dB of typical gain with excellent gain flatness, noise figure and low intermodulation distortion. It is a 50 Ω, cascadable building block and can be used for both military and commercial applications.
AR RF/Microwave Instrumentation,
Solid State Power Amplifier
Comtech PST has announced the release of a solid state Class AB linear amplifier which operates over the full 6 to 18 GHz frequency band and delivers a minimum of 20 W. The amplifier uses the latest Gallium Nitride (GaN) technology and is packaged in a standard rack mountable enclosure measuring 19" × 22" × 3.5".
Low Noise Amplifier
PMI Model No. PE2-15-8G20G-4R0-20-SFF is an 8 to 20 GHz low noise amplifier that pro-vides 12 dB minimum of gain with a typical gain flatness of ±1.25 dB. The noise figure is 4 dB typical and offers an OP1dB of 20 dBm typical. The operating voltage is +11 to +15 V DC and the current draw is 225 mA nominal. The unit is supplied with removable SMA(F) connectors in PMI’s standard PE2 housing.
Planar Monolithics Industries Inc.,
QuinStar Technologies Inc. introduced the QPW-71803014-S1 E-Band power amplifiers. The QPW model of E-Band amplifiers come with some of the widest industry frequency ranges, such as 71 to 86 GHz, a gain of 30 dB and output power available up to +30 dBm depending on the frequency range and bandwidth. The wide bandwidth of these amplifiers makes them ideally suited for broadband MMW communications systems and other broad spectrum systems applications.
QuinStar Technologies Inc.,
Variable Gain Amplifiers
Skyworks Solutions introduced five highly linear, active bias, low noise variable gain amplifiers for LTE and WCDMA infrastructure systems. The SKY65369-11 (832 to 862 MHz), SKY65370-11 (814 to 849 MHz), SKY65371-11 (880 to 915 MHz), SKY65373-11 (1710 to 1785 MHz) and SKY65374-11 (1850 to 1915 MHz) receive modules are fully integrated, high performance devices that combine several discrete components into a single, easy-to-use solution.
Skyworks Solutions Inc.,
Indium Corp. introduced a high-reliability, low-voiding flux coating for solder preforms. LV1000 reduces false failures while increasing productivity, throughput yields and component performance. This new halide-free (ROL0) material is especially suited for assembly processes in which the components don’t allow for proper outgassing of volatized flux. LV1000 provides a durable, level, clear coating that does not clog pick and place equipment, even in automated assembly processes.
Eclipse Microdevices’ EMD1706 is a GaAs MMIC PHEMPT distributed general purpose driver amplifier. This MMIC is ideal for applications that require a typical P1dB output power of +23 dBm up to 20 GHz, while requiring only 130 mA from a +8 V supply. Gain flatness of this device is less than 0.8 dB from DC to 22 GHz. The EMD1706 comes in a small RoHS compliant 4 mm QFN leadless package and has excellent RF and thermal properties ideal for commercial and industrial applications.
Eclipse Microdevices Inc.,
IGN2729M250C is an internally pre-matched, GaN HEMT. This part is designed for S-Band radar applications operating over the 2.7 to 2.9 GHz instantaneous frequency band. Under 300 µs/10 percent pulse conditions it supplies a minimum of 250 W of peak output power with 10 dB gain typically. This device is rated for 250 W, 10 percent duty cycle operation (PAVG = 25 W). Specified operation is with Class AB bias.
Integra Technologies Inc.,
Richardson RFPD Inc. introduced a new 50 V GaN on SiC RF power high-electron-mobility transistor (HEMT) from Microsemi Corp. The 0912GN-650V is internally-matched and ca-pable of providing over 17 dB gain, 650 W of pulsed RF output power at 128 µs pulse width and 10 percent duty factor across the 960 to 1215 MHz band. It features gold metallization and eutectic attach for outstanding reliability and ruggedness and was specifically designed for use in broadband avionics data link applications.
distributed by Richardson RFPD Inc.,
High Precision TCXO
The TX7-705M-SQ-WT is a new oscillator in a 5 × 7 mm SMD package that exhibits highly stable behavior in the extended operating temperature range from -40° to +85°C, and beyond (e.g., from -55° to +90°C). These TCXOs cover the frequency range from 10 to 52 MHz. The oscillator is available for a power supply of 3.3 V and has a clipped sinewave as output signal form and Tri-state function.
Signaling Tester Software
Anritsu introduced software enhancements to its MD8430A signaling tester that make it the first LTE network simulator to support Time Division Duplex LTE (TD-LTE) carrier aggregation (CA) test functionality. Coupled with existing Frequency Division Duplex (FDD) LTE CA test capability, as well as leading-edge LTE-Advanced functions, including enhanced Inter-Cell Interference Coordination (eICIC) and advanced beamforming functionality, the MD8430A is the industry’s leading platform for device testing from development to certification and carrier acceptance.
Mini-Circuits’ PWR-4RMS power sensor delivers highly accurate, true RMS measurements of signals employing advanced modulation schemes such as QPSK, 256 QAM, MSK and DQPSK, for example in LTE, DECT, GSM, PWT and other systems. The PWR-4RMS is also ideal for multi-tone and CW measurements, whether centered on a single frequency or sweeping and hopping across its entire 50 MHz to 4 GHz range, with high speed (as fast as 30 ms), resolution down to 0.01 dB, and averaging of up to 999 separate measurements.
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